at the pentagon and president barack obama as well as first lady michelle obama and leon panetta participated in a wreathe laying ceremony and ceremonies continue at the world trade center site and a memorial there. now again, we are also thinking about the people with the san francisco plane where the shanksville plane with those who fought back and there were lat turns left there. now the san francisco fire department is getting ready to honor victims with a special ceremony in just about 40 minutes. tara moriarty has more on what they are doing in san francisco to remember the lives lost in 9/11. >>> well garage doors just went up and everybody is ready and the fire truck will be pulled up shortly and folks are gearing up near 19th and folsom and they will put the flag at half-time. the lights were up this morning and before 7:00 this morning all 43 firehouses will hold ceremonies to remember the firefighters who lost their lives on 9/11. if you would like to observe and honor the fallen in new york city and flight 93 the public is welcome at local fire stations. >> it will be somber and h